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A reported operational security failure by the INC ransomware group enabled incident responders to identify attacker infrastructure and recover data stolen from 12 U.S. organizations. A forensic review of artifacts from an intrusion—initially detected when ransomware encryption activity hit a production SQL Server—revealed infrastructure that stored exfiltrated victim data beyond the single investigated case, allowing broader recovery efforts.
Cyber Centaurs (DFIR) traced the intrusion to a RainINC ransomware variant staged and executed from the Windows PerfLogs directory, a location increasingly abused by threat actors for staging. Investigators found renamed binaries (e.g., winupdate.exe) and PowerShell tooling, including a script (new.ps1) containing Base64-encoded Restic commands and hardcoded environment variables (e.g., access keys, repository paths, and S3 passwords) tied to encrypted repositories; although Restic was not used in the specific attack, these remnants shifted the work from incident response to infrastructure analysis and ultimately exposed reusable attacker storage repositories linked to multiple victims.
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Cyber Centaurs published a detailed write-up describing the INC ransomware infrastructure mistake, the recovery process, and additional tooling used by the group. The report also included YARA and Sigma rules to help defenders detect Restic or renamed binaries used in ransomware staging.
After confirming the repositories' contents, Cyber Centaurs decrypted and preserved the backups and worked with law enforcement to validate ownership and handle the recovered data appropriately. This turned the attackers' operational security lapse into a multi-victim data recovery effort.
Using a custom non-destructive enumeration process, Cyber Centaurs identified attacker-controlled repositories containing encrypted exfiltrated data from 12 unrelated U.S. organizations across multiple sectors. The team accessed the storage using the attackers' own configuration and tooling approach without exploiting vulnerabilities or modifying the repositories.
During forensic analysis, researchers found leftover Restic-related artifacts, including PowerShell scripts and hardcoded repository credentials, even though Restic was not used in the specific intrusion. These artifacts allowed them to pivot from incident response into mapping infrastructure used by the INC ransomware operation.
Cyber Centaurs began investigating after a U.S. client discovered a RainINC ransomware variant encrypting a production SQL Server. The payload was traced to execution from the Windows PerfLogs directory.
Cyber Centaurs disclosed in November that it had successfully recovered data stolen by the INC ransomware gang due to the group's operational security failure. Full technical details were shared later in a public report.
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Researchers published new intelligence on **INC Ransom**, outlining a victim negotiation platform allegedly exposed at `178.20.41.208:1002` and describing a stack built on **nginx**, **Yii/PHP**, and a **React/Redux/Socket.io** frontend. The reporting says the group’s infrastructure spans clear-web and onion sites with repeated overlap in Russian hosting, and that INC has operated since 2023, listed more than **870 victims**, and may share code or branding lineage with **Lynx** and possibly **Sinobi**. Separate technical reporting described INC as a **multi-extortion** operation that primarily targets healthcare, industrial, and education organizations in the U.S. and Europe, using living-off-the-land tools such as **NETSCAN.EXE**, **AnyDesk**, and `SystemSettingsAdminFlows.exe`, along with Defender tampering and a custom `av.exe` utility to disable EDR protections. At the same time, multiple new victim claims attributed to **incransom** surfaced, affecting organizations in nonprofit services, manufacturing, healthcare support, and other sectors across the **United States, Mexico, and Switzerland**. Reported victims included **Foundations to Freedom** in Florida, **DUCON** in Colorado, **minigrip.com.mx** in Mexico, **Della Casa Group AG** in Switzerland, and a Minnesota-based residential care provider associated with **eclmn.com**. The victim summaries describe unauthorized access to confidential files including client data, financial records, R&D material, and project information; in the Swiss case, the leak allegedly involved **86,332 files** in **15,359 folders** totaling about **240 GB**, underscoring INC Ransom’s continued emphasis on data theft and public leak pressure alongside encryption.
Jul 29, 2026
INC ransomware has grown into one of the most active **ransomware-as-a-service** operations, with researchers attributing its rise to aggressive affiliate expansion, broad victim targeting, and effective use of established intrusion methods rather than novel exploits. The group, active since 2023 and linked to more than **800 claimed victims**, uses **double extortion** by encrypting systems and threatening to leak stolen data, with early concentration on healthcare and other high-pressure sectors now expanding into education, legal, manufacturing, construction, and technology organizations. Researchers said INC has upgraded both its **Windows** and **Linux/ESXi** encryptors by rewriting them in **Rust**, improving cross-platform operations and resilience while affiliates continue to rely on spearphishing, stolen credentials, and exploitation of known flaws including **Citrix Bleed 2**, **Citrix NetScaler**, **SimpleHelp RMM**, and **Fortinet EMS** vulnerabilities. Post-compromise activity has included abuse of legitimate remote administration tools, credential theft from **Veeam** environments, living-off-the-land lateral movement, use of EDR killers, and cloud-based exfiltration with tools such as **rclone**; analysts also linked INC code to related strains including **Lynx**, **Sinobi**, and **Knoba** after the group’s source code was reportedly sold to multiple parties.
Jul 23, 2026
Huntress reconstructed an INC ransomware intrusion affecting at least 175 endpoints, including domain controllers. Although the initial-access method could not be established because relevant EDR telemetry and logs had expired, surviving evidence showed persistence and RDP-based lateral movement before a 17-day pause in activity. Attackers later installed AnyDesk, deployed a bring-your-own-vulnerable-driver (BYOVD) toolkit and an EDR/antivirus-killer driver, and used Impacket `atexec.py` to distribute tools and launch INC ransomware across the environment. Two ransom notes were left; the second claimed data exfiltration and threatened to notify the victim's media contacts, employees, partners, and clients if no response was received within 48 hours. Huntress said the separated phases may indicate an initial-access broker handing off to an INC affiliate, though attribution remains unconfirmed.
Sep 21, 2026